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  4. 06-02-2014

B1 The Heads

6 February 2014

Overview Notes Depth Profile Top-Bottom Documents 0 Chart
Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #8705
Date and Time Thursday 6th February 2014 09:40am
Approved Approved

Notes

Salinity checked, but calibration not required.
Due to the very strong outward current, dragging the van doorn and probe downstream, all samples and readings were taken from southern end of jetty.
pH meter "Upper" replaced usual meter.
Tide was very low. Large buildup of sand downstream of bridges on Ocean Grove bank

Water Levels and Tides

Low tide time 11:38

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 20.25 38.36 8.75 98.2 54.80
Previous 18.2 37.7 8.9 95.7 53.8
Median 14.7 37.52 9.89 101.50 53.6
0.5m 19.95 38.36 8.90 98.5 54.80
Previous 16.2 37.5 9.9 102.5 53.6
Median 14.7 37.52 10.38 102.10 53.6
1.0m 19.90 38.36 8.90 98.4 54.80
Previous 17.9 37.7 8.9 95.6 53.9
Median 15.2 37.59 9.93 101.20 53.7
1.5m 19.90 38.43 8.91 98.4 54.90
Previous 16.1 37.5 9.9 102.5 53.6
Median 14.7 37.52 9.93 101.20 53.6
2.0m 19.90 38.43 8.92 98.5 54.90
Previous 17.9 37.7 8.9 95.4 53.9
Median 15.2 37.73 10.41 102.40 53.9
2.5m 19.85 38.43 8.92 98.5 54.90
Previous 16.1 37.6 9.9 102.4 53.7
Median 14.7 37.59 10.41 102.40 53.7
2.6m 19.85 38.43 8.93 98.6 54.90
Previous 15.2 20.3 9.5 95.3 29.0
Median 14.7 38.50 10.77 105.50 55.0

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.9
Previous 0.1 8 7.5
Median 0.1 9 7.8
Bottom 2.6 9 7.7
Previous 2.5 8 7.5
Median 2.3 9 7.8

Other details

Max depth 2.70
Previous 2.60
Median 2.40
Flow estimate N/A
Low tide time 11:38am

Observation Documents

No documents found for this observation

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
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